Model No. WH2004A-VATN
►Type: Character
►Structure : COB
►Size: 2.89"
►20 Character x 4 line
►5x8 dots includes cursor
►IC: ST7066
►+5V power supply only
►1/16 duty cycle
►LED type : Highlight Red / Blue / Yellow-green / White / Green LCD Display
►LED can be driven by PIN1, PIN2 or K
►Interface : 6800
This is a 20 character by 4 line LCD display with a black background, available options red, green, blue, yellow-green and white led backlight. WH2002G VATN LCD is built-in ST7066 controller IC; it communicates 6800 interface.
The VATN display is featured with wide viewing angle and high contrast ratio, therefore, it's very suitable for many applications. Below are the examples for reference.
| Pin No. | Symbol | Description |
|---|---|---|
| 1 | VSS | Ground |
| 2 | VDD | Power supply for logic |
| 3 | VO | Operating voltage for LCD |
| 4 | RS | H: DATA, L: Instruction code |
| 5 | R/W | Read/Write select signal |
| 6 | E | Chip enable signal |
| 7~14 | DB0~DB7 | Data bus line |
| 15 | Vee | Negative Voltage Output |
| 16 | K | Power supply for B/L - |
| Item | Standard Value | Unit |
|---|---|---|
| Module Dimension | 98.0 × 60.0 | mm |
| Viewing Area | 77.0 × 25.2 | mm |
| Mounting Hole | 93.0 × 55.0 | mm |
| Character Size | 2.95 × 4.75 | mm |
| Item | Symbol | Standard Value typ. |
Unit |
|---|---|---|---|
| Input Voltage | VDD | 5.0 | V |
| Recommended LCD Driving Voltage for Normal Temp. Version module @25°C |
VDD-VO | 6.5 | V |
| Display position | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | --- | --- | 20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DD RAM Address | 00 | 01 | 02 | 13 | ||||||||||||||||
| DD RAM Address | 40 | 41 | 42 | 53 |
| DD RAM Address | 14 | 15 | 16 | 27 | ||||||||||||||||
| DD RAM Address | 54 | 55 | 56 | 67 |
By clicking "Allow All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyse site usage, and assist in our marketing and performance efforts. You can find further information this subject in our policy.